<template>
  <div class="building-container">
    <!-- 搜索区域 -->
    <div class="search-container">
      <div class="search-label">企业名称：</div>
      <el-input clearable placeholder="请输入内容" class="search-main" v-model="params.name" @clear="doSearch" />
      <el-button type="primary" @click="doSearch">查询</el-button>
    </div>
    <div class="create-container">
      <el-button v-auth-btn="'park:enterprise:add_edit'" type="primary"
        @click="$router.push('/exterpriseAdd')">添加企业</el-button>
    </div>
    <!-- 表格区域 -->
    <div class="table">
      <el-table style="width: 100%" :data="enterpriseList" @expand-change="expandHandle"
        :expand-row-keys="expandRowKeys" row-key="id">
        <!-- 新增：展开部分 -->
        <el-table-column type="expand">
          <template #default="{ row }">
            <el-table :data="row.rentList">
              <el-table-column label="租赁楼宇" width="320" prop="buildingName" />
              <el-table-column label="租赁起始时间" prop="startTime" />
              <el-table-column align="center" label="合同状态">
                <template #default="scope">
                  <el-tag :type="formatInfoType(scope.row.status)">
                    {{ formatStatus(scope.row.status) }}
                  </el-tag>
                </template>
              </el-table-column>
              <el-table-column align="center" label="操作" width="250">
                <template #default="scope">
                  <el-button size="small" type="text">续租</el-button>
                  <el-button size="small" type="text" :disabled="scope.row.status === 3"
                    @click="outRent(scope.row.id, row.id)">退租</el-button>
                  <el-button size="small" type="text" :disabled="!(scope.row.status === 3)">删除</el-button>
                </template>
              </el-table-column>
            </el-table>
          </template>
        </el-table-column>
        <el-table-column align="center" type="index" label="序号" width="120" />
        <el-table-column align="center" label="企业名称" width="320" prop="name" />
        <el-table-column align="center" label="联系人" prop="contact" />
        <el-table-column align="center" label="联系电话" prop="contactNumber" />
        <el-table-column align="center" label="操作" width="350">
          <template #default="scope">
            <el-button size="small" type="text" @click="addRent(scope.row.id)">添加合同</el-button>
            <el-button size="small" type="text"
              @click="$router.push(`/exterpriseDetail?id=${scope.row.id}`)">查看</el-button>
            <el-button size="small" type="text" @click="editRent(scope.row.id)">编辑</el-button>
            <el-button size="small" type="text" @click="delExterprise(scope.row.id)">删除</el-button>
          </template>
        </el-table-column>
      </el-table>
    </div>
    <div class="page-container" style="float: right">
      <el-pagination layout="total, prev, pager, next" :total="total" :page-size="params.pageSize"
        @current-change="pageChange" />
    </div>
    <el-dialog title="添加合同" v-model="rentDialogVisible" width="580px" @close="closeDialog">
      <!-- 表单区域 -->
      <div class="form-container">
        <el-form ref="addForm" :model="rentForm" :rules="rentRules" label-position="top">
          <el-form-item label="租赁楼宇" prop="buildingId">
            <el-select v-model="rentForm.buildingId" placeholder="请选择">
              <el-option v-for="item in buildList" :key="item.id" :label="item.name" :value="item.id" />
            </el-select>
          </el-form-item>
          <el-form-item label="租赁起止日期" prop="rentTime">
            <el-date-picker v-model="rentForm.rentTime" type="daterange" range-separator="至" start-placeholder="开始日期"
              end-placeholder="结束日期" value-format="YYYY-MM-DD" />
          </el-form-item>
          <el-form-item label="租赁合同" prop="contractId">
            <el-upload action="#" :http-request="uploadHandle" :before-upload="beforeUpload" :file-list="contractList">
              <el-button size="small" type="primary" plain>上传合同文件</el-button>
              <div slot="tip" class="el-upload__tip">
                支持扩展名：.doc .pdf, 文件大小不超过5M
              </div>
            </el-upload>
          </el-form-item>
        </el-form>
      </div>
      <template #footer>
        <el-button size="small" @click="closeDialog">取 消</el-button>
        <el-button size="small" type="primary" @click="confirmAdd">确 定</el-button>
      </template>
    </el-dialog>
  </div>
</template>

<script lang="ts" setup>
import {
  createRentAPI,
  delEnterpriseAPI,
  getEnterpriseListAPI,
  getRentBuildListAPI,
  getRentListAPI,
  outRentAPI,
  uploadAPI,
} from "@/apis/enterprise";
import type {
  Enterprise,
  EnterpriseDetail,
  EnterpriseListParams,
} from "@/types/enterprise";
import {
  ElMessage,
  ElMessageBox,
  type FormRules,
  type UploadRawFile,
  type UploadRequestOptions,
} from "element-plus";
import { ref } from "vue";
import { useRouter } from "vue-router";

// 1. 获取企业列表 - 参数
const params = ref<EnterpriseListParams>({
  page: 1,
  pageSize: 3,
  name: "",
});
const enterpriseList = ref<Enterprise[]>([]);
const total = ref(0);
// 1. 获取企业列表
const getEnterpriseList = async () => {
  const res = await getEnterpriseListAPI(params.value);
  enterpriseList.value = res.data?.rows.map((item) => {
    return {
      ...item,
      rentList: [], // 每一行补充存放合同的列表
    };
  });
  total.value = res.data.total;
};
getEnterpriseList();
// 2. 分页切换
const pageChange = (page: number) => {
  params.value.page = page;
  getEnterpriseList();
};
// 3. 搜索
const doSearch = () => {
  params.value.page = 1;
  getEnterpriseList();
};
// 4. 编辑
const router = useRouter();
const editRent = (id: string) => {
  router.push({
    path: "/exterpriseAdd",
    query: {
      id,
    },
  });
};
// 5. 删除
const delExterprise = (id: string) => {
  ElMessageBox.confirm("确认删除该企业吗?", "提示", {
    confirmButtonText: "确定",
    cancelButtonText: "取消",
    type: "warning",
  }).then(async () => {
    await delEnterpriseAPI(id);
    getEnterpriseList();
    ElMessage({
      type: "success",
      message: "删除成功!",
    });
  });
};

// 6. 添加合同
const rentDialogVisible = ref(false); // 是否显示添加合同弹框
// 打开
const addRent = async (id: string) => {
  rentDialogVisible.value = true;
  // 获取楼宇列表
  const res = await getRentBuildListAPI();
  buildList.value = res.data;
  // 把企业id存入表单对象
  rentForm.value.enterpriseId = id;
};
// 关闭
const closeDialog = () => {
  rentDialogVisible.value = false;
};

// 7. 添加合同表单
const rentForm = ref<any>({
  buildingId: undefined, // 楼宇id
  contractId: undefined, // 合同id
  contractUrl: "", // 合同Url
  enterpriseId: undefined, // 企业名称
  type: 0, // 合同类型
  rentTime: [], // 合同时间
});
const rentRules = ref<FormRules>({
  buildingId: [{ required: true, message: "请选择楼宇", trigger: "change" }],
  rentTime: [{ required: true, message: "请选择租赁日期", trigger: "change" }],
  contractId: [{ required: true, message: "请上传合同文件" }],
});
const buildList = ref<{ id: string; name: string }[]>([]);
// 上传合同-上传前验证
const beforeUpload = (file: UploadRawFile) => {
  const allowImgType = [
    "application/pdf",
    "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
    "application/msword",
  ].includes(file.type);
  const isLt5M = file.size / 1024 / 1024 < 5;

  if (!allowImgType) {
    ElMessage.error("上传合同文件只能是 .doc, .pdf 格式!");
  }
  if (!isLt5M) {
    ElMessage.error("上传合同文件大小不能超过 5MB!");
  }
  return allowImgType && isLt5M;
};
// 上传合同
const contractList = ref<any>([]);
const addForm = ref();
const uploadHandle = async (fileData: UploadRequestOptions) => {
  // 1. 处理FormData
  const { file } = fileData;
  const formData = new FormData();
  formData.append("file", file);
  formData.append("type", "contract");
  // 2. 上传并赋值
  const res = await uploadAPI(formData);
  const { id, url } = res.data;
  rentForm.value.contractId = id;
  rentForm.value.contractUrl = url;
  contractList.value.push({ name: file.name, url: url });
  // 单独校验表单
  addForm.value.validateField("contractId");
};

// 8. 确认添加合同
const confirmAdd = () => {
  addForm.value.validate(async (valid: boolean) => {
    if (valid) {
      const { buildingId, contractId, contractUrl, enterpriseId, type } =
        rentForm.value;
      await createRentAPI({
        buildingId,
        contractId,
        contractUrl,
        enterpriseId,
        type,
        startTime: rentForm.value.rentTime[0],
        endTime: rentForm.value.rentTime[1],
      });
      ElMessage.success({ message: "添加合同成功" });
      // 更新列表
      getEnterpriseList();
      // 关闭弹框
      rentDialogVisible.value = false;
      // 重置表单
      addForm.value.resetFields();
      rentForm.value.contractUrl = "";
      rentForm.value.contractId = "";
      contractList.value = [];
    }
  });
};

// 9. 展开行
const expandRowKeys = ref<string[]>([]);
// 只有展开时获取数据并绑定
// row: 当前展开那行表格的数据对象
// rows：当前已展开的所有行表格的数据对象的集合
const expandHandle = async (row: any, rows: any[]) => {
  // rows 中包含当前展开行数据，说明是展开状态
  const isExpend = rows.find((item) => item.id === row.id);
  // 因为展开/关闭都会触发此事件函数，做个判断只有展开时获取数据
  if (isExpend) {
    const res = await getRentListAPI(row.id);
    // res.data.forEach(item => {
    //   row.rentList.push(item)
    // })
    row.rentList = res.data;
    // expandRowKeys.value.push(row.id)
  } else {
    // 关闭时，把当前行的合同列表清空，防止下次打开时不断 push 叠加
    // row.rentList.splice(0)
    // expandRowKeys.value = expandRowKeys.value.filter(value => value !== row.id)
  }
};
// 格式化 tag 类型
const formatInfoType = (status: number) => {
  switch (status) {
    case 0:
      return "warning";
    case 1:
      return "success";
    case 2:
      return "info";
    case 3:
      return "danger";
  }
};
// 格式化 status
const formatStatus = (type: number) => {
  switch (type) {
    case 0:
      return "待生效";
    case 1:
      return "生效中";
    case 2:
      return "已到期";
    case 3:
      return "已退租";
  }
};

// 10. 退租
const outRent = (rentId: string, rowId: string) => {
  ElMessageBox.confirm("确认退租吗?", "提示", {
    confirmButtonText: "确定",
    cancelButtonText: "取消",
    type: "warning",
  })
    .then(async () => {
      // 1. 调用接口
      await outRentAPI(rentId);
      // 2. 重新拉取列表
      await getEnterpriseList();
      expandRowKeys.value = [];
      ElMessageBox({
        type: "success",
        message: "退租成功!",
      });
    })
    .catch(() => {
      ElMessage({
        type: "info",
        message: "已取消删除",
      });
    });
};
</script>

<style lang="scss" scoped>
.building-container {
  padding: 20px;
}

.search-container {
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgb(237, 237, 237, 0.9);
  padding-bottom: 20px;

  .search-label {
    width: 100px;
  }

  .search-main {
    width: 220px;
    margin-right: 10px;
  }
}

.create-container {
  margin: 10px 0px;
}

.page-container {
  padding: 4px 0px;
  text-align: right;
}

.form-container {
  padding: 0px 80px;
}
</style>
